Attempting to manually install software built for a different regional sub-model.
Open the root directory of the storage drive and create a new folder named exactly dload (lowercase). Attempting to manually install software built for a
Look at the bottom of your phone’s back cover (e.g., VOG-L29 or ELE-L29). Attempting to manually install software built for a
A microSD card or USB OTG flash drive (formatted to NTFS or exFAT). A computer to download the firmware. Attempting to manually install software built for a
Release the buttons when the screen displays an updating progress bar.